This heavy-duty sliding door pulley delivers quiet, reliable performance for residential sliding doors while prioritizing durability and smooth movement. Key benefits Strong load capacity: Supports up to 70 kg per pulley, so it handles heavier sliding panels without strain. Quiet operation: Integrated nylon wheel minimizes noise and reduces wear for a smoother, quieter glide. Stable, consistent motion: High-speed mechanical bearing maintains stability and reduces friction for easy, predictable sliding every time. Durable construction: Zinc alloy body with thickened steel components provides corrosion resistance, impact strength, and long-term safety. What this solves Prevents noisy, jerky door movement caused by worn or low-quality pulleys. Reduces maintenance and replacement frequency thanks to robust materials and precision bearings. Supports heavier panels safely, avoiding sagging or misalignment over time. Features at a glance Function: Single-wheel pulley for sliding door systems Load capacity: Up to 70 kg per pulley Wheel: Integrated nylon wheel for quiet operation Bearing: High-speed mechanical bearing for smooth rotation Materials: Zinc alloy housing and thickened steel components for strength and durability Typical applications Closet and wardrobe sliding doors — improves glide and reduces noise in daily use. Interior room dividers and sliding panels — ensures stable movement for partitions and space dividers. Lightweight patio or balcony screen doors — provides quiet, reliable operation for residential exterior openings. Installation and maintenance tips Replace worn or damaged pulleys in matched sets for best alignment. Inspect tracks and bearings periodically; clean debris to maintain smooth operation. Use appropriate mounting hardware to match your door’s existing fittings and load requirements. Reliable, straightforward, and built to last, this pulley is a practical upgrade for sliding doors that need quieter, smoother, and safer performance.